Kirill Tkhai wrote: > On 18.04.2018 17:14, Tetsuo Handa wrote: > > Kirill Tkhai wrote: > >> The patch introduces shrinker::id number, which is used to enumerate > >> memcg-aware shrinkers. The number start from 0, and the code tries > >> to maintain it as small as possible. > >> > >> This will be used as to represent a memcg-aware shrinkers in memcg > >> shrinkers map. > > > > I'm not reading this thread. But is there reason "id" needs to be managed > > using smallest numbers? Can't we use address of shrinker object as "id" > > (which will be sparse bitmap, and would be managed using linked list for now)? > > Yes, it's needed to have the smallest numbers, as next patches introduce > per-memcg bitmap containing ids of shrinkers. If you use sparse bitmap (xbitmap ?), I think you can do it.
